package servlets;

import ejb.facades.forum.TopicFacadeLocal;
import entities.Admin;
import java.io.IOException;
import javax.ejb.EJB;
import javax.inject.Inject;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sessions.IUserAccountSession;
import util.BreadCrumbItem;
import util.Script;

/**
 * Trabalho PD - 2014/2015
 *
 * @author a21210380 a21210392
 */
@WebServlet("/forum.html")
public class ForumServlet extends ServletBase {

    private final static BreadCrumbItem[] BREAD_CRUMB_ITEMS = {
        new BreadCrumbItem("/Trabalho_PD/homepage.html", "Homepage", false),
        new BreadCrumbItem("/Trabalho_PD/forum.html", "Forum", true)};

    private final static Script[] EXTRA_SCRIPTS = {
        new Script("resources/js/webserviceforum.js", true),
        new Script("resources/js/customjs/forum.js", true)};

    @Inject
    private IUserAccountSession userAccountSession;

    @EJB
    private TopicFacadeLocal topicFacade;

    public ForumServlet() {
        super("Forum", BREAD_CRUMB_ITEMS, null, EXTRA_SCRIPTS);
    }

    @Override
    protected void onGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        if (userAccountSession.isVisitor()) {
            callJsp(JSP_NOT_AUTHORIZED, req, resp);
            return;
        }
        req.setAttribute("topics", topicFacade.findRecent(10));
        
        Admin admin = userAccountSession.getAdmin();
        if (admin != null) {
            req.setAttribute("isAdmin", true);
        } else {
            req.setAttribute("isAdmin", false);
        }
        
        callJsp(JSP_FORUM, req, resp);
    }

    @Override
    protected void onPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        if (userAccountSession.isVisitor()) {
            callJsp(JSP_NOT_AUTHORIZED, req, resp);
            return;
        }
        req.setAttribute("topics", topicFacade.findRecent(10));
        callJsp(JSP_FORUM, req, resp);
    }
}
